"After multiple regression analysis the 3 meal group had a significant greater gain in lean body mass (LBM) than the 6 meal group when adjusted for gender and energy intake (p=0.04), when adjusted for gender and protein intake (p=0.03), and when adjusted for gender, protein intake, carbohydrate intake and fat intake."

And ...

"In this study, three meals per day resulted in larger muscle gain from strength training than six meals per day over a period of twelve weeks."